#footer{
  font-size:12px;
  text-align:center;	
}
#footer a{
  color:#393333;
  text-decoration: none;
}
#footer a:hover{
  text-decoration: underline;
}
#default_main{
	width:900px;
	margin-top:15px;
	margin-left:auto;
	margin-right:auto;
}
#so{
	width:400px;
	margin-left:auto;
	margin-right:auto;
}
caption{
	font-weight: bold;
	font-size: 16px;
}